Disclosed is a system for real-time detection and annunciation of blood associated with menstruation and surgical wounds. The system comprises a real-time, wide area blood detector, communication means for relay of blood detection information, and annunciation means to inform the user of the emanation of blood. Various system embodiments include local and remote as well as covert and non-covert annunciation to users or medical personnel, various forms of real-time blood detection sensors, blood analysis capability, and smart bandage telemetry.